Fault Family System: Network (U-Codes) 45 SAE Codes

Invalid Data EV Charging Module

Diagnostic & Technical Explanation

U02A0 means a high-voltage battery interface, drive motor, or charging module sent a voltage, current, or temperature value that fails a plausibility check against the rest of the pack or charging system, while the isolated high-voltage network link remains intact. A drifted cell-group voltage sense line, a battery pack thermistor that has lost contact with its pocket, or an isolation-monitoring circuit reporting a false resistance value are the most common causes, and diagnosis requires high-voltage safety training and insulated tools throughout.

These 45 diagnostic trouble codes share one detection mechanism and one repair path, which is why MechanicDB groups them into a single authored fault family rather than repeating the same explanation 45 times.

Codes in this family (45)

Code	Definition	Repair coverage
U02A0	Invalid Data Received From Hybrid/EV Battery Interface Control Module D	4 ranked fixes
U0411	Invalid Data Received From Drive Motor Control Module A	4 ranked fixes
U0412	Invalid Data Received From Battery Energy Control Module A	4 ranked fixes
U0413	Invalid Data Received From Battery Energy Control Module B	4 ranked fixes
U041A	Invalid Data Received From Battery Isolation/Voltage Stabilization Control Module	4 ranked fixes
U044B	Invalid Data Received From Battery Energy Control Module C	4 ranked fixes
U044C	Invalid Data Received From Hybrid/EV Battery Inductive Charging Module	4 ranked fixes
U049C	Invalid Data Received From Battery Charger Control Module A	4 ranked fixes
U04A1	Invalid Data Received From Hybrid/EV Battery Interface Control Module A	4 ranked fixes
U04A2	Invalid Data Received From Hybrid/EV Battery Interface Control Module B	4 ranked fixes
U04A3	Invalid Data Received From Hybrid/EV Battery Interface Control Module C	4 ranked fixes
U04A5	Invalid Data Received From Hybrid/EV Battery Interface Control Module E	4 ranked fixes
U04A6	Invalid Data Received From Hybrid/EV Battery Interface Control Module F	4 ranked fixes
U04A7	Invalid Data Received From Hybrid/EV Battery Interface Control Module G	4 ranked fixes
U04A8	Invalid Data Received From Hybrid/EV Battery Interface Control Module H	4 ranked fixes
U04A9	Invalid Data Received From Hybrid/EV Battery Interface Control Module I	4 ranked fixes
U04AA	Invalid Data Received From Hybrid/EV Battery Interface Control Module J	4 ranked fixes
U04AB	Invalid Data Received From Hybrid/EV Battery Interface Control Module K	4 ranked fixes
U04AC	Invalid Data Received From Hybrid/EV Battery Interface Control Module L	4 ranked fixes
U04AD	Invalid Data Received From Hybrid/EV Battery Interface Control Module M	4 ranked fixes
U04AE	Invalid Data Received From Hybrid/EV Battery Interface Control Module N	4 ranked fixes
U04AF	Invalid Data Received From Hybrid/EV Battery Interface Control Module O	4 ranked fixes
U04B0	Invalid Data Received From Hybrid/EV Battery Interface Control Module P	4 ranked fixes
U04B1	Invalid Data Received From Battery Monitor Module	4 ranked fixes
U04BE	Invalid Data Received From Battery Charger Control Module B	4 ranked fixes
U04BF	Invalid Data Received from Drive Motor A Clutch Actuator	4 ranked fixes
U04C0	Invalid Data Received from Battery Management Control Module	4 ranked fixes
U050D	Invalid Data Received From Wireless Accessory Charging Module A	4 ranked fixes
U050E	Invalid Data Received From Wireless Accessory Charging Module B	4 ranked fixes
U057B	Invalid Data Received From Battery Charger Control Module C	4 ranked fixes
U057C	Invalid Data Received From Battery Charger Control Module D	4 ranked fixes
U057D	Invalid Data Received From Off-Board Charger Control Module	4 ranked fixes
U0589	Invalid Data Received From DC/AC Converter Control Module A	4 ranked fixes
U058A	Invalid Data Received From DC/AC Converter Control Module B	4 ranked fixes
U0593	Invalid Data Received From Drive Motor Control Module B	4 ranked fixes
U0594	Invalid Data Received From Hybrid/EV Powertrain Control Module	4 ranked fixes
U0595	Invalid Data Received From Powertrain Control Monitor Module	4 ranked fixes
U0596	Invalid Data Received From AC/AC Converter Control Module	4 ranked fixes
U0597	Invalid Data Received From AC/DC Converter Control Module A	4 ranked fixes
U0598	Invalid Data Received From AC/DC Converter Control Module B	4 ranked fixes
U0599	Invalid Data Received From DC/DC Converter Control Module A	4 ranked fixes
U059A	Invalid Data Received From DC/DC Converter Control Module B	4 ranked fixes
U059B	Invalid Data Received From Hybrid/EV Battery Pack Sensor Module	4 ranked fixes
U059C	Invalid Data Received From Drive Motor Control Module C	4 ranked fixes
U059D	Invalid Data Received From Drive Motor Control Module D	4 ranked fixes

What this page does not show

This page publishes the fault mechanism and the code index. The licensed dataset adds, for every one of the 15,886 codes, the full authored repair set (56,729 procedures in total) with the fields deliberately withheld here:

Procedures 2..n after the first-listed procedure
Aftermarket parts cost ranges in USD (est_parts_cost_min/max_usd)
Professional labor-hour estimates (est_labor_hours)
Step-by-step diagnostic and repair instructions
Replacement-part mappings and catalog lookups
6,637 manufacturer-specific OEM codes across 32 makes ($149 tier)

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